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Littelfuse 590401U02A Proximity Reed Sensor

The 59040 Press-Fit Reed Sensor is a compact cylindrical proximity sensor, 31.0 mm long, designed for easy press-fit installation in industrial and IoT applications. Its white housing includes three crush ribs ensuring a firm fit into holes of 9.5 mm diameter. It offers multiple contact types—normally open, normally closed, and change-over—with a maximum switching voltage of 200 Vde at 10 W. Suitable for non-contact detection through non-ferrous materials, it excels in security, factory automation, and proximity sensing, functioning reliably in harsh environments with IP67 sealing and UL recognition.

Authorized Distributors
Source:DigiKey
Part No:59040-1-U-02-A
Stock:98
Inv Date:05-28-2026
Price: Unit price: $4.04
Buy/RFQ:
Part No:59040-1-U-02-A
Stock:120
Inv Date:05-29-2026
Price: Unit price: $4.04
Buy/RFQ:
Part No:59040-1-U-02-A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.63
Buy/RFQ:

Littelfuse 590401U02A Proximity Reed Sensor Specifications:

  • Sensor Length: 31.0 mm
  • Housing Diameter: 9.5 mm
  • Housing Color: White
  • Contact Ratings: Max 200 Vde, 10 W
  • Switch Types: Normally Open, Normally Closed, Change-Over
  • Operating Voltage: Up to 200 Vde
  • Operating Temperature: -40°C to +105°C
  • Response Time: Max 5 ms
  • Sealing: IP67
  • Agency Approvals: UL Recognized, CSA C22.2 No. 14, REACH compliant
  • Dimensions: 31.0 mm length, 9.5 mm diameter
  • Cable Type: 24 AWG PVC, UL 105°C
  • Cable Lengths Available: 100 mm (0.39 inch), 300 mm (11.81 inch), 1000 mm (39.37 inch)

Buy the Littelfuse Series 59040 Press-Fit Reed Sensor: 590401U02A

Buy your Littelfuse Series 59040 Press-Fit Reed Sensor online today and enhance your automation and security systems with a compact, IP67-rated sensor designed for easy installation. Its flexible contact options—including normally open, normally closed, and change-over—allow versatile applications in factory automation, security, and proximity sensing. With operating temperatures from -40°C to +105°C, it performs reliably in harsh environments. Fast response time and UL recognition make it an ideal choice for industrial and IoT deployments needing robust, dependable detection solutions.

Order your Littelfuse Series 59040 Press-Fit Reed Sensor today and ensure reliable proximity detection in your industrial or IoT projects.

Frequently Asked Questions

Where can I buy Littelfuse 590401U02A?

You can click on the BUY or RFQ button to purchase 590401U02A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 590401U02A?

You can download the 590401U02A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 590401U02A?

Littelfuse

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